/* 重置内外边距 */
body,
div,
blockquote,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
p,
dl,
dt,
dd,
ul,
ol,
li,
form,
button,
input,
textarea,
pre,
fieldset,
legend,
th,
td {
    margin: 0;
    padding: 0;
}

/* 设置默认文字样式 */
body,
input,
select,
textarea,
button {

    font: normal 100% -apple-system, PingFangSC-Regular, tahoma, arial, sans-serif;

}

/* 清除移动端按钮点击出现黑色背景 */
input,
a {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -webkit-appearance: none;
    appearance: none;
}

/* 清除输入标签选中效果 */
input,
select,
textarea,
button {
    outline: none;
}

/* 清除序列标签默认样式 */
ul,
li,
dl,
dd,
dt {
    list-style-type: none;
}

/* 清除a标签下划线样式 */
a,
a:link,
a:visited,
a:hover,
a:active {
    text-decoration: none;
}

/* 清除图片的边框 */
img {
    border: 0;
    width: 100%;
    display: block;
}

/* 清除浮动 */
.clear {
    clear: both;
}

/*定义标题文字加粗正常,字间距为0*/
h1,
h2,
h3,
h4,
h5,
h6,
p {
    font-weight: normal;
    letter-spacing: 0;
}
html{
    font-size: 75px;
}
